Björn Engquist

According to our database, Björn Engquist authored at least 48 papers between 1975 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

On the nature of the boundary resonance error in numerical homogenization and its reduction.

Sean P. Carney, Milica Dussinger, Björn Engquist

CoRR, 2023

Adaptive State-Dependent Diffusion for Derivative-Free Optimization.

Björn Engquist, Kui Ren, Yunan Yang

CoRR, 2023

Neural Inverse Operators for Solving PDE Inverse Problems.

Roberto Molinaro, Yunan Yang, Björn Engquist, Siddhartha Mishra

Proceedings of the International Conference on Machine Learning, 2023

2022

An Algebraically Converging Stochastic Gradient Descent Algorithm for Global Optimization.

Björn Engquist, Kui Ren, Yunan Yang

CoRR, 2022

A Generalized Weighted Optimization Method for Computational Learning and Inversion.

Kui Ren, Yunan Yang, Björn Engquist

Proceedings of the Tenth International Conference on Learning Representations, 2022

2020

Optimal Transport Based Seismic Inversion: Beyond Cycle Skipping.

Björn Engquist, Yunan Yang

CoRR, 2020

Multiscale modeling, homogenization and nonlocal effects: Mathematical and computational issues.

Qiang Du, Björn Engquist, Xiaochuan Tian

Proceedings of the 75 Years of Mathematics of Computation, 2020

2019

The quadratic Wasserstein metric for inverse data matching.

Björn Engquist, Kui Ren, Yunan Yang

CoRR, 2019

Numerical multiscale methods and effective boundary conditions.

Sean P. Carney, Björn Engquist

CoRR, 2019

Multiscale Modeling, Homogenization and Nonlocal Effects: Mathematical and Computational Issues.

Qiang Du, Björn Engquist, Xiaochuan Tian

CoRR, 2019

Seismic imaging and optimal transport.

Björn Engquist, Yunan Yang

Commun. Inf. Syst., 2019

2018

Parallel in time algorithms for multiscale dynamical systems using interpolation and neural networks.

Gopal R. Yalla, Björn Engquist

Proceedings of the High Performance Computing Symposium, 2018

2017

Seafloor identification in sonar imagery via simulations of Helmholtz equations and discrete optimization.

Björn Engquist, Christina Frederick, Quyen Huynh, Haomin Zhou

J. Comput. Phys., 2017

Analysis of Optimal Transport Related Misfit Functions in Seismic Imaging.

Yunan Yang, Björn Engquist

Proceedings of the Geometric Science of Information - Third International Conference, 2017

2016

Homogenization Model for Aberrant Crypt Foci.

Isabel N. Figueiredo, Carlos F. Leal, Giuseppe Romanazzi, Björn Engquist

SIAM J. Appl. Math., 2016

Multiscale numerical methods for passive advection-diffusion in incompressible turbulent flow fields.

Yoonsang Lee, Björn Engquist

J. Comput. Phys., 2016

2015

Fast sweeping methods for hyperbolic systems of conservation laws at steady state II.

Björn Engquist, Brittany D. Froese, Yen-Hsi Richard Tsai

J. Comput. Phys., 2015

Automated lesion detectors in retinal fundus images.

Isabel N. Figueiredo, Sunil Kumar, Carlos Manta Oliveira, João Diogo Ramos, Björn Engquist

Comput. Biol. Medicine, 2015

2014

A Parallel Directional Fast Multipole Method.

Austin R. Benson, Jack Poulson, Kenneth Tran, Björn Engquist, Lexing Ying

SIAM J. Sci. Comput., 2014

Nonuniform Sampling and Multiscale Computation.

Björn Engquist, Christina Frederick

Multiscale Model. Simul., 2014

An Homogenization Model for Aberrant Crypt Foci.

Isabel N. Figueiredo, Carlos F. Leal, Giuseppe Romanazzi, Björn Engquist

CoRR, 2014

2013

A Parallel Sweeping Preconditioner for Heterogeneous 3D Helmholtz Equations.

Jack Poulson, Björn Engquist, Siwei Li, Lexing Ying

SIAM J. Sci. Comput., 2013

A Multiscale Method for Highly Oscillatory Dynamical Systems Using a Poincaré Map Type Technique.

Gil Ariel, Björn Engquist, S. Kim, Yoonsang Lee, Richard Tsai

J. Sci. Comput., 2013

Fast sweeping methods for hyperbolic systems of conservation laws at steady state.

Björn Engquist, Brittany D. Froese, Yen-Hsi Richard Tsai

J. Comput. Phys., 2013

2012

A Multiscale Method Coupling Network and Continuum Models in Porous Media I: Steady-State Single Phase Flow.

Jay Chu, Björn Engquist, Masa Prodanovic, Richard Tsai

Multiscale Model. Simul., 2012

A sweeping preconditioner for time-harmonic Maxwell's equations with finite elements.

Paul Tsuji, Björn Engquist, Lexing Ying

J. Comput. Phys., 2012

A parallel sweeping preconditioner for high frequency heterogeneous 3D Helmholtz equations

Jack Poulson, Björn Engquist, Sergey Fomel, Siwei Li, Lexing Ying

CoRR, 2012

The heterogeneous multiscale method.

Assyr Abdulle, Weinan E, Björn Engquist, Eric Vanden-Eijnden

Acta Numer., 2012

2011

A Multiscale Method for Epitaxial Growth.

Yi Sun, Russel Caflisch, Björn Engquist

Multiscale Model. Simul., 2011

Sweeping Preconditioner for the Helmholtz Equation: Moving Perfectly Matched Layers.

Björn Engquist, Lexing Ying

Multiscale Model. Simul., 2011

Gaussian beam decomposition of high frequency wave fields using expectation-maximization.

Gil Ariel, Björn Engquist, Nicolay M. Tanushev, Richard Tsai

J. Comput. Phys., 2011

A convection-diffusion-shape model for aberrant colonic crypt morphogenesis.

Isabel N. Figueiredo, Carlos F. Leal, Giuseppe Romanazzi, Björn Engquist, Pedro N. Figueiredo

Comput. Vis. Sci., 2011

2010

Fast directional algorithms for the Helmholtz kernel.

Björn Engquist, Lexing Ying

J. Comput. Appl. Math., 2010

2009

Optimal Discontinuous Galerkin Methods for the Acoustic Wave Equation in Higher Dimensions.

Eric T. Chung, Björn Engquist

SIAM J. Numer. Anal., 2009

A multiscale method for highly oscillatory ordinary differential equations with resonance.

Gil Ariel, Björn Engquist, Richard Tsai

Math. Comput., 2009

Gaussian beam decomposition of high frequency wave fields.

Nicolay M. Tanushev, Björn Engquist, Richard Tsai

J. Comput. Phys., 2009

2008

Numerical Multiscale Methods for Coupled Oscillators.

Gil Ariel, Björn Engquist, Richard Tsai

Multiscale Model. Simul., 2008

Finite Element Heterogeneous Multiscale Methods with Near Optimal Computational Complexity.

Assyr Abdulle, Björn Engquist

Multiscale Model. Simul., 2008

Consistent boundary conditions for the Yee scheme.

Anna-Karin Tornberg, Björn Engquist

J. Comput. Phys., 2008

2007

Fast Directional Multilevel Algorithms for Oscillatory Kernels.

Björn Engquist, Lexing Ying

SIAM J. Sci. Comput., 2007

2006

Optimal Discontinuous Galerkin Methods for Wave Propagation.

Eric T. Chung, Björn Engquist

SIAM J. Numer. Anal., 2006

Heterogeneous Multiscale Methods for Interface Tracking of Combustion Fronts.

Yi Sun, Björn Engquist

Multiscale Model. Simul., 2006

2005

Convergence Analysis of Fully Discrete Finite Volume Methods for Maxwell's Equations in Nonhomogeneous Media.

Eric T. Chung, Björn Engquist

SIAM J. Numer. Anal., 2005

Heterogeneous multiscale methods for stiff ordinary differential equations.

Björn Engquist, Yen-Hsi Tsai

Math. Comput., 2005

2003

Regularization Techniques for Numerical Approximation of PDEs with Singularities.

Anna-Karin Tornberg, Björn Engquist

J. Sci. Comput., 2003

1995

Parallelism in Computational Algorithms and the Physical World.

Björn Engquist

Proceedings of the Euro-Par '95 Parallel Processing, 1995

1994

Fast Wavelet Based Algorithms for Linear Evolution Equations.

Björn Engquist, Stanley J. Osher, Sifen Zhong

SIAM J. Sci. Comput., 1994

1975

DCG - a system for automatic code generation for hyperbolic problems.

Björn Engquist, Tom Smedsaas

Proceedings of the SIGNUM Meeting on Software for Partial Differential Equations, 1975